[Opensim-users] standalone vs. grid

Lc lcc1967 at gmail.com
Wed Nov 26 16:59:24 UTC 2008


sounds good to me.

HG is included in the RegionServer now (opensim.exe). You activate it with
an option.


On Wed, Nov 26, 2008 at 4:37 PM, Paul Fishwick <fishwick at cise.ufl.edu>wrote:

>
>
>  What do you think of the following. Let me know if my
> assumptions are incorrect:
>
>
>  1. Logical Space is defined as following:
>
>    1.1 A Grid contains one or more Estates in a Cartesian space
>           (Grid coordinates define Regions (i.e., Sims)
>    1.2 An Estate contains one or more Regions (i.e., Sims)
>    1.3 A Region contains one or more Parcels
>
>  2. Physical space is defined by Mode
>
>     2.1 StandAlone Mode is one computer, running one instance
>          of Opensim.exe
>     2.2 Grid Mode is one or more computers in the following configurations:
>           2.2.1  Client Config: A region connected to a grid (i.e., OSGrid)
>                         In Config 1, the client runs its own
> opensim.exe, and
>                         its own database to handle that region's activities
>           2.2.2  Server Config: UGAIM server machine(s) that maintain
> client
>                         Regions (note: Client and Server could be the
> same machine)
>           2.2.3  Hypergrid Config (evolving): freeform hyperlinked
> model, more
>                         like how the web functions than a client/server
> model.
>
> Thoughts welcome. BTW, in Space #2. Server Config, does OSGrid
> run its own Opensim.exe or is that needed only by the Region simulators
> that connect to it?
>
> -p
>
>
> Lc wrote:
> > Commonly used : A grid is more an architectural view :
> >  One centralised UGAIM where several regionsServer can logged and
> > share ressources.
> >
> > Sacha
> >
> > On Wed, Nov 26, 2008 at 3:49 PM, Paul Fishwick <fishwick at cise.ufl.edu
> > <mailto:fishwick at cise.ufl.edu>> wrote:
> >
> >     Thanks, there is some confusion in use of the word "grid" in the
> >     web pages.
> >     I have been gathering information to create a tutorial on getting
> >     started, which
> >     is why I am asking the questions.
> >
> >     For example, see: http://opensimulator.org/wiki/Configuration
> >
> >     Under "Standalone mode", there is the phrase "Grid Location". But
> this
> >     isn't a grid
> >     location because in Standalone mode one is not running a grid -- it
> is
> >     the location in
> >     something else: an Estate? Then, in the discussion of "multiple
> >     regions", there is
> >     discussion of "grid coordinates". All of this is confusing if one
> >     is not
> >     using a grid.
> >
> >     Here is my understanding:
> >
> >      An Estate is a set of Regions
> >      A Region is the same thing as a Sim (65,536 sq. meters)
> >      A collection of Sims (or equivalently, Regions) is an (Estate) ?
> >
> >     These are logical distinctions, whereas, the term "grid" seems to be
> >     an architectural or physical distinction (i.e., how logical
> >     concepts map
> >     to physically located server equipment).
> >
> >     -p
> >
> >
> >
> >
> >     Lc wrote:
> >     > short answer :
> >     >
> >     >  standalone : all services and regions are one program that can
> >     handle
> >     > x regions (the files under Regions/*.xml) as long as your system
> >     > support it.
> >     > Grid : all the services could be spread on diferents computers
> >     > eventually, and the same or any other computer could run the region
> >     > server.
> >     >
> >     >
> >     >
> >     > On Wed, Nov 26, 2008 at 2:21 PM, Paul Fishwick
> >     <fishwick at cise.ufl.edu <mailto:fishwick at cise.ufl.edu>
> >     > <mailto:fishwick at cise.ufl.edu <mailto:fishwick at cise.ufl.edu>>>
> >     wrote:
> >     >
> >     >     Still trying to get my head around the exact differences
> between
> >     >     StandAlone vs. Grid. At one time, I thought the word "grid"
> >     meant
> >     >     the rectangular configuration of regions. Is this rectangular
> >     >     collection
> >     >     of regions called the "sim" instead ?  I can see that in grid
> >     >     mode, one
> >     >     could
> >     >     fire up each of the 5 main servers + the OpenSim process,
> >     each on
> >     >     a separate computer. One would just reset the .xml files to
> >     point to
> >     >     the correct IPs and database(s)?
> >     >
> >     >     However, could one partition the sim by computer? If so, what
> is
> >     >     the mapping of computers to sim in terms of where the
> >     database(s)
> >     >     are located and where the 6 processes are located (UGAIM +
> >     >     OpenSim)?
> >     >
> >     >     For example, if I were to recommend that at the university
> >     level,
> >     >     they should have a grid of, say, 16x16 regions, could this
> >     be divided
> >     >     into 4 4x4 sims, each having separate sets of computers?
> >     Thanks --
> >     >     I've looked online but have not seen this level of detail--I
> >     may be
> >     >     looking in the wrong place.
> >     >     -paul
> >     >
> >     >
> >     >     --
> >     >     Dr. Paul A. Fishwick           E-Mail: fishwick at cise.ufl.edu
> >     <mailto:fishwick at cise.ufl.edu>
> >     >     <mailto:fishwick at cise.ufl.edu <mailto:fishwick at cise.ufl.edu>>
> >     >     Dept. of Computer & Info       Phone & FAX: (352) 392-1414
> >     >      Science and Engineering       WWW:
> >     >     http://www.cise.ufl.edu/~fishwick<http://www.cise.ufl.edu/%7Efishwick>
> >     <http://www.cise.ufl.edu/%7Efishwick>
> >     >     <http://www.cise.ufl.edu/%7Efishwick>
> >     >     University of Florida          (PGP Key available at above WWW
> >     >     address)
> >     >     P. O. Box 116120
> >     >     332 Bldg. CSE, Gainesville, FL 32611-6120
> >     >
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> >     >
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> >     >
> >
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> >     >
> >
> >
> >     --
> >     Dr. Paul A. Fishwick           E-Mail: fishwick at cise.ufl.edu
> >     <mailto:fishwick at cise.ufl.edu>
> >     Dept. of Computer & Info       Phone & FAX: (352) 392-1414
> >      Science and Engineering       WWW:
> >     http://www.cise.ufl.edu/~fishwick<http://www.cise.ufl.edu/%7Efishwick>
> >     <http://www.cise.ufl.edu/%7Efishwick>
> >     University of Florida          (PGP Key available at above WWW
> >     address)
> >     P. O. Box 116120
> >     332 Bldg. CSE, Gainesville, FL 32611-6120
> >
> >     _______________________________________________
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> Opensim-users at lists.berlios.de>
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> >
> >
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> >
>
>
> --
> Dr. Paul A. Fishwick           E-Mail: fishwick at cise.ufl.edu
> Dept. of Computer & Info       Phone & FAX: (352) 392-1414
>  Science and Engineering       WWW: http://www.cise.ufl.edu/~fishwick<http://www.cise.ufl.edu/%7Efishwick>
> University of Florida          (PGP Key available at above WWW address)
> P. O. Box 116120
> 332 Bldg. CSE, Gainesville, FL 32611-6120
>
> _______________________________________________
> Opensim-users mailing list
> Opensim-users at lists.berlios.de
> https://lists.berlios.de/mailman/listinfo/opensim-users
>
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